Surface Water Quality Modeling

Since the 1920's, scientists and engineers around the globe have been using mathematical models to simulate the transport and fate of pollutants in natural waters. Today, and in the foreseeable future, more of these applications are being generated in an effort to develop economical solutions to water-quality problems. The primary audience for this book is first-year graduate students, including both MA and Ph.D. students. The book, however, could be used as a basis for a senior undergraduate course. The text is divided into seven major parts. The first two cover Modeling Fundamentals, (including material on mathematics, numerical methods, kinetics, diffusion, etc). The remaining parts deal with major water-quality modeling problems such as dissolved oxygen, eutrophication, and toxics. The text is written in lecture format, ideal for case study and teaching purposes. The book stresses theory and application.

PART I: COMPLETELY-MIXED SYSTEMS.

1 Introduction.

2 Reaction Kinetics.

3 Mass Balance, Steady-State Solution and Response Time.

4 Particular Solutions.

5 Feedforward Systems of Reactors.

6 Feedback Systems of Reactors.

7 Computer Solutions: Completely-Mixed Reactors.

PART II: INCOMPLETELY-MIXED SYSTEMS.

8 Diffusion.

9 Distributed Solutions (Steady-state).

10 Distributed Solutions (Time Variable).

11 Control-Volume Approach: Steady-state Solutions.

12 Simple Time-variable Solutions.

13 Advanced Time-variable Solutions.

PART III: ENVIRONMENTS.

14 Streams.

15 Estuaries.

16 Lakes.

17 Sediments.

18 The "Modeling" Environment.

PART IV: DISSOLVED OXYGEN AND BACTERIA.

19 BOD and Oxygen Saturation.

20 Gas Transfer and Oxygen Reaeration.

21 Streeter-Phelps: Point Sources.

22 Streeter-Phelps: Distributed Sources.

23 Nitrogen.

24 Photosynthesis/Respiration.

25 Sediment Oxygen Demand.

26 Computer Methods.

27 Pathogens.

PART V: EUTROPHICATION AND TEMPERATURE.

28 The Eutrophication Problem and Nutrients.

29 Phosphorus Loading Concept.

30 Heat Budgets.

31 Thermal Stratification.

32 Microbe/Substrate Modeling.

33 Plant Growth and Non-predatory Losses.

34 Predator-Prey and Nutrient/Food-Chain Interactions.

35 Nutrient-Food Chain Modeling.

36 Eutrophication in Flowing Waters.

PART VI: CHEMISTRY.

37 Equilibrium Chemistry.

38 Coupling Equilibrium. Chemistry and Mass Balance.

39 pH Modeling.

PART VII: TOXIC SUBSTANCES.

40 Introduction to Toxic Substance Modeling.

41 Mass-transfer Mechanisms: Sorption and Volatilization.

42 Reaction Mechanisms: Photolysis, Hydrolysis and Biodegradation.

43 Radionuclides and Metals.

44 Toxicant Modeling In Flowing Waters.

45 Toxicant/Food-chain Interactions

Appendixes

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